Boston (BOS) to Helsinki (HEL) flight deal in economy from $391

Sunday, January 10th, 2027

3 round-trip options

Returning
Sat, Jan 16, 20276 Day Trip
$553 USD
Returning
Sun, Jan 17, 20277 Day Trip
$560 USD
Returning
Wed, Jan 20, 202710 Day Trip
$560 USD